Update CloudFormation template with the following deletion policy:AWSTemplateFormatVersion: ' 2010-05-09 ' Resources: appUser: Type: AWS::IAM::User DeletionPolicy: Retain

Update CloudFormation template with the following deletion policy:AWSTemplateFormatVersion: ' 2010-09-09 ' Resources: appUser: Type: AWS::IAM::User DeletionPolicy: RetainExceptOnCreate

Update the CloudFormation service role to include the following policy:{ " Version " : " 2012-10-17 " , " Statement " : [{ " Effect " : " Allow " , " Action " : [ " cloudformation:UpdateTerminationProtection " ], " Resource " : " * " }]}

Update the stack policy to include the following statements:{ " Statement " : [{ " Effect " : " Deny " , " Action " : " Update:* " , " Principal " : " * " , " Resource " : " * " , " Condition " : { " StringEquals " : { " ResourceType " : " AWS::IAM::User " }}}]}